Dangote Allays Fear of Lekki Fishing Communities over Jetty, Shoreline Protection

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Monday, February 26, 2021 / 08:40AM / by Dangote / Header Image Credit: The Guardian Nigeria


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The Management of Dangote Petroleum Refinery and Petrochemicals on Thursday, reiterated its commitment to protecting the shorelines and fishing activities in Lekki coastal environment, thereby allaying the fears of fishermen and other residents in the area.

 

The company said its Dangote Jetty has been constructed with Sandbar Breakwater technology, which is a unique concept that follows the building-with-nature philosophy. 

 

According to Dangote, the Sandbar Breakwater is capable of reducing costal erosion and protecting the shorelines by interrupting wave energy and allowing sand to accumulate along the coast.

 

General Manager (Survey), Dangote Oil Refining Company Limited, Rajnish Kumar Gupta, who spoke on behalf of the Head, Maritime & Ports Infrastructure, Dangote Oil Refining Company Limited, Capt. Rajen Sachar, described the concept as based on the knowledge and principles of the local natural system and its dynamics, which makes optional use of the ecosystems available. 

 

He said the concept does not interfere with wild-life and fishing activities in the coastal areas. "Sandbar Breakwaters don't interfere with wildlife habitats. They may change how wave transmission energy occurs, but this doesn't change the fact that animals will still have a place that they can call home," he added.

 

Sachar stated: "A conventional breakwater that consists of rock would lead to fast coastline advance at the west side, ultimately burying the expensive rock and thereby losing its function. The Sandbar Breakwater is designed as such that it mostly consists of sand. The Sandbar is morphologically dynamic, and nature shapes it to an equilibrium stable profile. It minimises the use of hard materials (rock) and thereby makes optimal use of locally available materials. The Sandbar profile ensures a continuous safe and calm harbour basin. A small-scale sand engine at the down drift side of the port (East) temporarily mitigates the coastal retreat. Continuous down drift coastline retreat is an inevitable part of a construction of a port. This can be mitigated by the deployment of a sand engine from time to time."

 

He explained that Sandbar breakwater makes optimal use of the ecosystems available. "Breakwater is an artificial offshore structure protecting a harbour, anchorage, or marina basin from water waves. Breakwaters intercept longshore currents and tend to prevent beach erosion and by changing wave direction, which reduces longshore drift. Breakwaters are barriers built offshore to protect part of the shoreline. They act as a barrier to waves, preventing erosion that can impact on communities," he added.

 

He disclosed that the facility can handle vessels up to 16,000MT DWT with dimensions 160m x 25m x 7.75m. "The facility consists of hard standing area and Jetty Quay built on Secant & Anchor piles (138m long) with an attached isolated mooring dolphin (at 52m from edge of quay wall). Its approach channel is 130m wide with a turning basin diameter of 300m and a depth of -8m CD. It is designed with both the RoRo Ramp (length 30m and width of 22m) or LoLo (Lift-on Lift-off) capability depending upon the nature and size of cargoes. DQL Jetty is equipped with 1 no of 750 Tonne Crawler Crane and 2 nos of 260 Tonne Mobile Crane. The Jetty has a soil stabilised back up pavement covering approximately 17,750 square metres, available for stacking the cargoes prior their onward movement to the refinery."

 

He added that the project would reduce the pressure on the road because of transportation of personnel to the Dangote Oil Refinery site. According to him, the jetty would eliminate road transport risk and support the timely and successful construction of the refinery in line with the aspiration of Nigerians and investors.

 

He explained that the RoRo Jetty would handle the receipt of all refinery project cargo including over dimensional cargoes and subsequent haulage to the designated laydown areas for the construction of the Dangote refinery.


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